Home / 179,064.80-268,537.08-90,261.68

Finding the Fourth Proportional to 179,064.80, 268,537.08 and 90,261.68

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Solution

The fourth proportional to 179,064.80, 268,537.08 and 90,261.68 is: 135,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,064.80 : 268,537.08 = 90,261.68 : x
  2. Step 2: Convert to fraction form
    179,064.80/268,537.08 = 90,261.68/x
  3. Step 3: Cross multiply
    179,064.80x = 268,537.08 × 90,261.68
  4. Step 4: Simplify right side
    179,064.80x = 24,238,607,983.09
  5. Step 5: Solve for x
    x = 24,238,607,983.09/179,064.80
  6. Step 6: Final answer
    x = 135,362.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.